20404362152 has 8 divisors (see below), whose sum is σ = 38258179050. Its totient is φ = 10202181072.

The previous prime is 20404362133. The next prime is 20404362169. The reversal of 20404362152 is 25126340402.

It can be written as a sum of positive squares in only one way, i.e., 11296713796 + 9107648356 = 106286^2 + 95434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20404362152³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275272627 + ... + 1275272642.

Almost surely, 2^20404362152 is an apocalyptic number.

It is an amenable number.

20404362152 is a deficient number, since it is larger than the sum of its proper divisors (17853816898).

20404362152 is a wasteful number, since it uses less digits than its factorization.

20404362152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550545275 (or 2550545271 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20404362152 in words is "twenty billion, four hundred four million, three hundred sixty-two thousand, one hundred fifty-two".