351450020 has 48 divisors (see below), whose sum is σ = 766644480. Its totient is φ = 135235584.

The previous prime is 351450017. The next prime is 351450031. The reversal of 351450020 is 20054153.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 351449974 and 351450001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52292 + ... + 58628.

It is an arithmetic number, because the mean of its divisors is an integer number (15971760).

Almost surely, 2^351450020 is an apocalyptic number.

It is an amenable number.

351450020 is an abundant number, since it is smaller than the sum of its proper divisors (415194460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351450020 is a wasteful number, since it uses less digits than its factorization.

351450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452 (or 6450 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 351450020 is about 18747.0002933803. Note that the first 3 decimals coincide. The cubic root of 351450020 is about 705.7017441333.

The spelling of 351450020 in words is "three hundred fifty-one million, four hundred fifty thousand, twenty".