1010399620 has 24 divisors (see below), whose sum is σ = 2131363584. Its totient is φ = 402345696.

The previous prime is 1010399581. The next prime is 1010399693. The reversal of 1010399620 is 269930101.

1010399620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1010399620² = 2041814784192288800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108814 + ... + 117733.

It is an arithmetic number, because the mean of its divisors is an integer number (88806816).

Almost surely, 2^1010399620 is an apocalyptic number.

1010399620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010399620 is an abundant number, since it is smaller than the sum of its proper divisors (1120963964).

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

1010399620 is a wasteful number, since it uses less digits than its factorization.

1010399620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226779 (or 226777 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1010399620 is about 31786.7837316077. The cubic root of 1010399620 is about 1003.4545920512.

The spelling of 1010399620 in words is "one billion, ten million, three hundred ninety-nine thousand, six hundred twenty".