20290883402 has 16 divisors (see below), whose sum is σ = 31414180320. Its totient is φ = 9824623248.

The previous prime is 20290883401. The next prime is 20290883419. The reversal of 20290883402 is 20438809202.

It is not an unprimeable number, because it can be changed into a prime (20290883401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1275353 + ... + 1291164.

It is an arithmetic number, because the mean of its divisors is an integer number (1963386270).

Almost surely, 2^20290883402 is an apocalyptic number.

20290883402 is a deficient number, since it is larger than the sum of its proper divisors (11123296918).

20290883402 is a wasteful number, since it uses less digits than its factorization.

20290883402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566645.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 20290883402 in words is "twenty billion, two hundred ninety million, eight hundred eighty-three thousand, four hundred two".