20425336012 has 12 divisors (see below), whose sum is σ = 35931482496. Its totient is φ = 10159198160.

The previous prime is 20425335991. The next prime is 20425336013. The reversal of 20425336012 is 21063352402.

It is not an unprimeable number, because it can be changed into a prime (20425336013) 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, 13366603 + ... + 13368130.

It is an arithmetic number, because the mean of its divisors is an integer number (2994290208).

Almost surely, 2^20425336012 is an apocalyptic number.

It is an amenable number.

20425336012 is a deficient number, since it is larger than the sum of its proper divisors (15506146484).

20425336012 is a wasteful number, since it uses less digits than its factorization.

20425336012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26734928 (or 26734926 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20425336012 its reverse (21063352402), we get a palindrome (41488688414).

The spelling of 20425336012 in words is "twenty billion, four hundred twenty-five million, three hundred thirty-six thousand, twelve".