2153474020 has 24 divisors (see below), whose sum is σ = 4585992768. Its totient is φ = 849256800.

The previous prime is 2153474017. The next prime is 2153474027. The reversal of 2153474020 is 204743512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153474020.

It is not an unprimeable number, because it can be changed into a prime (2153474027) 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, 756846 + ... + 759685.

It is an arithmetic number, because the mean of its divisors is an integer number (191083032).

Almost surely, 2^2153474020 is an apocalyptic number.

2153474020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153474020 is an abundant number, since it is smaller than the sum of its proper divisors (2432518748).

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

2153474020 is a wasteful number, since it uses less digits than its factorization.

2153474020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516611 (or 1516609 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2153474020 is about 46405.5386780501. The cubic root of 2153474020 is about 1291.3576676233.

The spelling of 2153474020 in words is "two billion, one hundred fifty-three million, four hundred seventy-four thousand, twenty".