20302231124 has 24 divisors (see below), whose sum is σ = 40613323968. Its totient is φ = 8699057280.

The previous prime is 20302231067. The next prime is 20302231127. The reversal of 20302231124 is 42113220302.

It is a super-2 number, since 2×20302231124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20302231096 and 20302231105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302231127) 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, 55484 + ... + 209004.

It is an arithmetic number, because the mean of its divisors is an integer number (1692221832).

Almost surely, 2^20302231124 is an apocalyptic number.

It is an amenable number.

20302231124 is an abundant number, since it is smaller than the sum of its proper divisors (20311092844).

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

20302231124 is a wasteful number, since it uses less digits than its factorization.

20302231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158255 (or 158253 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20302231124 its reverse (42113220302), we get a palindrome (62415451426).

The spelling of 20302231124 in words is "twenty billion, three hundred two million, two hundred thirty-one thousand, one hundred twenty-four".