39554002020 has 192 divisors, whose sum is σ = 127319592960. Its totient is φ = 9093772800.

The previous prime is 39554001989. The next prime is 39554002063. The reversal of 39554002020 is 2020045593.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1033425 + ... + 1071015.

It is an arithmetic number, because the mean of its divisors is an integer number (663122880).

Almost surely, 2^39554002020 is an apocalyptic number.

39554002020 is a gapful number since it is divisible by the number (30) 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 39554002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63659796480).

39554002020 is an abundant number, since it is smaller than the sum of its proper divisors (87765590940).

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

39554002020 is a wasteful number, since it uses less digits than its factorization.

39554002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37706 (or 37704 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 39554002020 in words is "thirty-nine billion, five hundred fifty-four million, two thousand, twenty".