20452536045020 has 48 divisors (see below), whose sum is σ = 45136985966688. Its totient is φ = 7774791816960.

The previous prime is 20452536044957. The next prime is 20452536045049. The reversal of 20452536045020 is 2054063525402.

It is a congruent number.

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, 321346811 + ... + 321410450.

It is an arithmetic number, because the mean of its divisors is an integer number (940353874306).

Almost surely, 2^{20452536045020} is an apocalyptic number.

20452536045020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20452536045020 is an abundant number, since it is smaller than the sum of its proper divisors (24684449921668).

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

20452536045020 is a wasteful number, since it uses less digits than its factorization.

20452536045020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642757350 (or 642757348 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 20452536045020 in words is "twenty trillion, four hundred fifty-two billion, five hundred thirty-six million, forty-five thousand, twenty".