20893350620 has 12 divisors (see below), whose sum is σ = 43876036344. Its totient is φ = 8357340240.

The previous prime is 20893350617. The next prime is 20893350629. The reversal of 20893350620 is 2605339802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20893350629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522333746 + ... + 522333785.

It is an arithmetic number, because the mean of its divisors is an integer number (3656336362).

Almost surely, 2^20893350620 is an apocalyptic number.

20893350620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20893350620 is an abundant number, since it is smaller than the sum of its proper divisors (22982685724).

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

20893350620 is a wasteful number, since it uses less digits than its factorization.

20893350620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044667540 (or 1044667538 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 20893350620 in words is "twenty billion, eight hundred ninety-three million, three hundred fifty thousand, six hundred twenty".