20238356076 has 48 divisors (see below), whose sum is σ = 49096965120. Its totient is φ = 6481517760.

The previous prime is 20238356023. The next prime is 20238356077. The reversal of 20238356076 is 67065383202.

It is a happy number.

It is a super-2 number, since 2×20238356076² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20238356077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143991 + ... + 247406.

It is an arithmetic number, because the mean of its divisors is an integer number (1022853440).

Almost surely, 2^20238356076 is an apocalyptic number.

It is an amenable number.

20238356076 is an abundant number, since it is smaller than the sum of its proper divisors (28858609044).

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

20238356076 is a wasteful number, since it uses less digits than its factorization.

20238356076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391574 (or 391572 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20238356076 in words is "twenty billion, two hundred thirty-eight million, three hundred fifty-six thousand, seventy-six".