20453512035402 has 48 divisors (see below), whose sum is σ = 46828073859840. Its totient is φ = 6438860135136.

The previous prime is 20453512035289. The next prime is 20453512035421. The reversal of 20453512035402 is 20453021535402.

20453512035402 is a `hidden beast` number, since 2 + 0 + 45 + 3 + 5 + 1 + 203 + 5 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312654753 + ... + 312720164.

It is an arithmetic number, because the mean of its divisors is an integer number (975584872080).

Almost surely, 2^{20453512035402} is an apocalyptic number.

20453512035402 is an abundant number, since it is smaller than the sum of its proper divisors (26374561824438).

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

20453512035402 is a wasteful number, since it uses less digits than its factorization.

20453512035402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625375027 (or 625375024 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 20453512035402 in words is "twenty trillion, four hundred fifty-three billion, five hundred twelve million, thirty-five thousand, four hundred two".