20413152151525 has 12 divisors (see below), whose sum is σ = 28928352763552. Its totient is φ = 13997590046640.

The previous prime is 20413152151517. The next prime is 20413152151529. The reversal of 20413152151525 is 52515125131402.

It is not a de Polignac number, because 20413152151525 - 2³ = 20413152151517 is a prime.

It is a super-2 number, since 2×20413152151525² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413152151529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58323291687 + ... + 58323292036.

Almost surely, 2^{20413152151525} is an apocalyptic number.

20413152151525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20413152151525 is a deficient number, since it is larger than the sum of its proper divisors (8515200612027).

20413152151525 is a wasteful number, since it uses less digits than its factorization.

20413152151525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116646583740 (or 116646583735 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 20413152151525 its reverse (52515125131402), we get a palindrome (72928277282927).

The spelling of 20413152151525 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-two million, one hundred fifty-one thousand, five hundred twenty-five".