10021993630 has 32 divisors (see below), whose sum is σ = 19900689120. Its totient is φ = 3603409920.

The previous prime is 10021993609. The next prime is 10021993643. The reversal of 10021993630 is 3639912001.

It is a congruent number.

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, 502059 + ... + 521638.

It is an arithmetic number, because the mean of its divisors is an integer number (621896535).

Almost surely, 2^10021993630 is an apocalyptic number.

10021993630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021993630 is a deficient number, since it is larger than the sum of its proper divisors (9878695490).

10021993630 is a wasteful number, since it uses less digits than its factorization.

10021993630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023804.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 10021993630 in words is "ten billion, twenty-one million, nine hundred ninety-three thousand, six hundred thirty".