20453633000 has 64 divisors (see below), whose sum is σ = 50380574400. Its totient is φ = 7750843200.

The previous prime is 20453632987. The next prime is 20453633017. The reversal of 20453633000 is 33635402.

It is a super-2 number, since 2×20453633000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519254 + ... + 557253.

It is an arithmetic number, because the mean of its divisors is an integer number (787196475).

Almost surely, 2^20453633000 is an apocalyptic number.

20453633000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20453633000 is an abundant number, since it is smaller than the sum of its proper divisors (29926941400).

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

20453633000 is a wasteful number, since it uses less digits than its factorization.

20453633000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076547 (or 1076533 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The spelling of 20453633000 in words is "twenty billion, four hundred fifty-three million, six hundred thirty-three thousand".