653137020420 has 48 divisors (see below), whose sum is σ = 1837973558400. Its totient is φ = 173294643456.

The previous prime is 653137020391. The next prime is 653137020479. The reversal of 653137020420 is 24020731356.

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, 27338857 + ... + 27362736.

It is an arithmetic number, because the mean of its divisors is an integer number (38291115800).

Almost surely, 2^653137020420 is an apocalyptic number.

653137020420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

653137020420 is an abundant number, since it is smaller than the sum of its proper divisors (1184836537980).

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

653137020420 is a wasteful number, since it uses less digits than its factorization.

653137020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54701804 (or 54701802 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 653137020420 its reverse (24020731356), we get a palindrome (677157751776).

The spelling of 653137020420 in words is "six hundred fifty-three billion, one hundred thirty-seven million, twenty thousand, four hundred twenty".