20078262608 has 20 divisors (see below), whose sum is σ = 39097125600. Its totient is φ = 9988681824.

The previous prime is 20078262599. The next prime is 20078262629. The reversal of 20078262608 is 80626287002.

It is a super-3 number, since 3×20078262608³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3149810 + ... + 3156177.

It is an arithmetic number, because the mean of its divisors is an integer number (1954856280).

Almost surely, 2^20078262608 is an apocalyptic number.

It is an amenable number.

20078262608 is a deficient number, since it is larger than the sum of its proper divisors (19018862992).

20078262608 is a wasteful number, since it uses less digits than its factorization.

20078262608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306194 (or 6306188 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 20078262608 in words is "twenty billion, seventy-eight million, two hundred sixty-two thousand, six hundred eight".