38902121202 has 128 divisors (see below), whose sum is σ = 93640458240. Its totient is φ = 10534201920.

The previous prime is 38902121183. The next prime is 38902121213. The reversal of 38902121202 is 20212120983.

It is a self number, because there is not a number n which added to its sum of digits gives 38902121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90259927 + ... + 90260357.

It is an arithmetic number, because the mean of its divisors is an integer number (731566080).

Almost surely, 2^38902121202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38902121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46820229120).

38902121202 is an abundant number, since it is smaller than the sum of its proper divisors (54738337038).

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

38902121202 is a wasteful number, since it uses less digits than its factorization.

38902121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 38902121202 in words is "thirty-eight billion, nine hundred two million, one hundred twenty-one thousand, two hundred two".