20453433435402 has 24 divisors (see below), whose sum is σ = 44963746231488. Its totient is φ = 6198010131720.

The previous prime is 20453433435341. The next prime is 20453433435427.

20453433435402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14086385938 + ... + 14086387389.

It is an arithmetic number, because the mean of its divisors is an integer number (1873489426312).

Almost surely, 2^{20453433435402} is an apocalyptic number.

20453433435402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20453433435402 is an abundant number, since it is smaller than the sum of its proper divisors (24510312796086).

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

20453433435402 is a wasteful number, since it uses less digits than its factorization.

20453433435402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28172773354 (or 28172773343 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 42.

The spelling of 20453433435402 in words is "twenty trillion, four hundred fifty-three billion, four hundred thirty-three million, four hundred thirty-five thousand, four hundred two".