20435653402 has 16 divisors (see below), whose sum is σ = 30969985824. Its totient is φ = 10112410000.

The previous prime is 20435653397. The next prime is 20435653417.

20435653402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491277 + ... + 531247.

It is an arithmetic number, because the mean of its divisors is an integer number (1935624114).

Almost surely, 2^20435653402 is an apocalyptic number.

20435653402 is a deficient number, since it is larger than the sum of its proper divisors (10534332422).

20435653402 is a wasteful number, since it uses less digits than its factorization.

20435653402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42605.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 20435653402 in words is "twenty billion, four hundred thirty-five million, six hundred fifty-three thousand, four hundred two".