20050400524 has 24 divisors (see below), whose sum is σ = 43746329088. Its totient is φ = 7811844240.

The previous prime is 20050400521. The next prime is 20050400527. The reversal of 20050400524 is 42500405002.

It is an interprime number because it is at equal distance from previous prime (20050400521) and next prime (20050400527).

It is a super-2 number, since 2×20050400524² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20050400495 and 20050400504.

It is not an unprimeable number, because it can be changed into a prime (20050400521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32549044 + ... + 32549659.

It is an arithmetic number, because the mean of its divisors is an integer number (1822763712).

Almost surely, 2^20050400524 is an apocalyptic number.

It is an amenable number.

20050400524 is an abundant number, since it is smaller than the sum of its proper divisors (23695928564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20050400524 is a wasteful number, since it uses less digits than its factorization.

20050400524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65098725 (or 65098723 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 20050400524 its reverse (42500405002), we get a palindrome (62550805526).

The spelling of 20050400524 in words is "twenty billion, fifty million, four hundred thousand, five hundred twenty-four".