20001840364 has 24 divisors (see below), whose sum is σ = 38233309968. Its totient is φ = 9080322240.

The previous prime is 20001840347. The next prime is 20001840389. The reversal of 20001840364 is 46304810002.

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, 250119 + ... + 320254.

It is an arithmetic number, because the mean of its divisors is an integer number (1593054582).

Almost surely, 2^20001840364 is an apocalyptic number.

It is an amenable number.

20001840364 is a deficient number, since it is larger than the sum of its proper divisors (18231469604).

20001840364 is a wasteful number, since it uses less digits than its factorization.

20001840364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571185 (or 571183 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20001840364 in words is "twenty billion, one million, eight hundred forty thousand, three hundred sixty-four".