20334000402 has 48 divisors (see below), whose sum is σ = 47675234880. Its totient is φ = 6483300912.

The previous prime is 20334000371. The next prime is 20334000413. The reversal of 20334000402 is 20400043302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 898377 + ... + 920732.

It is an arithmetic number, because the mean of its divisors is an integer number (993234060).

Almost surely, 2^20334000402 is an apocalyptic number.

20334000402 is an abundant number, since it is smaller than the sum of its proper divisors (27341234478).

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

20334000402 is a wasteful number, since it uses less digits than its factorization.

20334000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819149 (or 1819137 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20334000402 its reverse (20400043302), we get a palindrome (40734043704).

The spelling of 20334000402 in words is "twenty billion, three hundred thirty-four million, four hundred two", and thus it is an aban number.