20045552124 has 48 divisors (see below), whose sum is σ = 50386337792. Its totient is φ = 6165968832.

The previous prime is 20045552101. The next prime is 20045552129. The reversal of 20045552124 is 42125554002.

It is a super-2 number, since 2×20045552124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20045552091 and 20045552100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045552129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541017 + ... + 576879.

Almost surely, 2^20045552124 is an apocalyptic number.

It is an amenable number.

20045552124 is an abundant number, since it is smaller than the sum of its proper divisors (30340785668).

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

20045552124 is a wasteful number, since it uses less digits than its factorization.

20045552124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39466 (or 39464 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 20045552124 in words is "twenty billion, forty-five million, five hundred fifty-two thousand, one hundred twenty-four".