20422035402 has 32 divisors (see below), whose sum is σ = 41155128000. Its totient is φ = 6755543808.

The previous prime is 20422035367. The next prime is 20422035421. The reversal of 20422035402 is 20453022402.

It is a happy number.

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, 3163474 + ... + 3169922.

It is an arithmetic number, because the mean of its divisors is an integer number (1286097750).

Almost surely, 2^20422035402 is an apocalyptic number.

20422035402 is an abundant number, since it is smaller than the sum of its proper divisors (20733092598).

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

20422035402 is a wasteful number, since it uses less digits than its factorization.

20422035402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 20422035402 its reverse (20453022402), we get a palindrome (40875057804).

The spelling of 20422035402 in words is "twenty billion, four hundred twenty-two million, thirty-five thousand, four hundred two".