20413152151526 has 4 divisors (see below), whose sum is σ = 30619728227292. Its totient is φ = 10206576075762.

The previous prime is 20413152151517. The next prime is 20413152151529. The reversal of 20413152151526 is 62515125131402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20413152151526² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20413152151526.

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 as a sum of consecutive naturals, namely, 5103288037880 + ... + 5103288037883.

It is an arithmetic number, because the mean of its divisors is an integer number (7654932056823).

Almost surely, 2^{20413152151526} is an apocalyptic number.

20413152151526 is a deficient number, since it is larger than the sum of its proper divisors (10206576075766).

20413152151526 is a wasteful number, since it uses less digits than its factorization.

20413152151526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206576075765.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 20413152151526 its reverse (62515125131402), we get a palindrome (82928277282928).

The spelling of 20413152151526 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-two million, one hundred fifty-one thousand, five hundred twenty-six".