20554035020 has 48 divisors (see below), whose sum is σ = 44394412608. Its totient is φ = 7987795200.

The previous prime is 20554034989. The next prime is 20554035037. The reversal of 20554035020 is 2053045502.

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, 498929 + ... + 538551.

It is an arithmetic number, because the mean of its divisors is an integer number (924883596).

Almost surely, 2^20554035020 is an apocalyptic number.

20554035020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20554035020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22197206304).

20554035020 is an abundant number, since it is smaller than the sum of its proper divisors (23840377588).

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

20554035020 is a wasteful number, since it uses less digits than its factorization.

20554035020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370 (or 40368 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 20554035020 in words is "twenty billion, five hundred fifty-four million, thirty-five thousand, twenty".