20462151525 has 24 divisors (see below), whose sum is σ = 33836387904. Its totient is φ = 10911331200.

The previous prime is 20462151509. The next prime is 20462151529. The reversal of 20462151525 is 52515126402.

It is not a de Polignac number, because 20462151525 - 2⁴ = 20462151509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462151529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515385 + ... + 553665.

It is an arithmetic number, because the mean of its divisors is an integer number (1409849496).

Almost surely, 2^20462151525 is an apocalyptic number.

20462151525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20462151525 is a deficient number, since it is larger than the sum of its proper divisors (13374236379).

20462151525 is a wasteful number, since it uses less digits than its factorization.

20462151525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45421 (or 45416 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 20462151525 its reverse (52515126402), we get a palindrome (72977277927).

The spelling of 20462151525 in words is "twenty billion, four hundred sixty-two million, one hundred fifty-one thousand, five hundred twenty-five".