20453633032 has 32 divisors (see below), whose sum is σ = 43839288000. Its totient is φ = 8763827904.

The previous prime is 20453633023. The next prime is 20453633033. The reversal of 20453633032 is 23033635402.

It is a super-2 number, since 2×20453633032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20453632985 and 20453633003.

It is not an unprimeable number, because it can be changed into a prime (20453633033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218094 + ... + 297442.

It is an arithmetic number, because the mean of its divisors is an integer number (1369977750).

Almost surely, 2^20453633032 is an apocalyptic number.

It is an amenable number.

20453633032 is an abundant number, since it is smaller than the sum of its proper divisors (23385654968).

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

20453633032 is a wasteful number, since it uses less digits than its factorization.

20453633032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83965 (or 83961 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 31.

The spelling of 20453633032 in words is "twenty billion, four hundred fifty-three million, six hundred thirty-three thousand, thirty-two".