20404292700418 has 16 divisors (see below), whose sum is σ = 33733057476384. Its totient is φ = 9179063256960.

The previous prime is 20404292700403. The next prime is 20404292700443. The reversal of 20404292700418 is 81400729240402.

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, 4780759980 + ... + 4780764247.

It is an arithmetic number, because the mean of its divisors is an integer number (2108316092274).

Almost surely, 2^{20404292700418} is an apocalyptic number.

20404292700418 is a deficient number, since it is larger than the sum of its proper divisors (13328764775966).

20404292700418 is a wasteful number, since it uses less digits than its factorization.

20404292700418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561524337.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 20404292700418 in words is "twenty trillion, four hundred four billion, two hundred ninety-two million, seven hundred thousand, four hundred eighteen".