20525051006 has 32 divisors (see below), whose sum is σ = 32769474048. Its totient is φ = 9620915040.

The previous prime is 20525050957. The next prime is 20525051009. The reversal of 20525051006 is 60015052502.

It is a super-2 number, since 2×20525051006² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525051009) 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, 781175 + ... + 807021.

It is an arithmetic number, because the mean of its divisors is an integer number (1024046064).

Almost surely, 2^20525051006 is an apocalyptic number.

20525051006 is a deficient number, since it is larger than the sum of its proper divisors (12244423042).

20525051006 is a wasteful number, since it uses less digits than its factorization.

20525051006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26216.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 20525051006 in words is "twenty billion, five hundred twenty-five million, fifty-one thousand, six".