20350121124 has 48 divisors (see below), whose sum is σ = 47648623680. Its totient is φ = 6759841920.

The previous prime is 20350121107. The next prime is 20350121149. The reversal of 20350121124 is 42112105302.

It is a super-2 number, since 2×20350121124² (a number of 21 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 20350121124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5681014 + ... + 5684594.

It is an arithmetic number, because the mean of its divisors is an integer number (992679660).

Almost surely, 2^20350121124 is an apocalyptic number.

It is an amenable number.

20350121124 is an abundant number, since it is smaller than the sum of its proper divisors (27298502556).

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

20350121124 is a wasteful number, since it uses less digits than its factorization.

20350121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20350121124 its reverse (42112105302), we get a palindrome (62462226426).

The spelling of 20350121124 in words is "twenty billion, three hundred fifty million, one hundred twenty-one thousand, one hundred twenty-four".