20425004652 has 24 divisors (see below), whose sum is σ = 51324371056. Its totient is φ = 6284616768.

The previous prime is 20425004641. The next prime is 20425004653. The reversal of 20425004652 is 25640052402.

It is a happy number.

It is a super-2 number, since 2×20425004652² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20425004653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65464603 + ... + 65464914.

Almost surely, 2^20425004652 is an apocalyptic number.

It is an amenable number.

20425004652 is an abundant number, since it is smaller than the sum of its proper divisors (30899366404).

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

20425004652 is a wasteful number, since it uses less digits than its factorization.

20425004652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130929537 (or 130929535 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 20425004652 in words is "twenty billion, four hundred twenty-five million, four thousand, six hundred fifty-two".