20102867930 has 16 divisors (see below), whose sum is σ = 36187287840. Its totient is φ = 8040674832.

The previous prime is 20102867909. The next prime is 20102867971. The reversal of 20102867930 is 3976820102.

It is a super-2 number, since 2×20102867930² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 157541 + ... + 254999.

It is an arithmetic number, because the mean of its divisors is an integer number (2261705490).

Almost surely, 2^20102867930 is an apocalyptic number.

20102867930 is a deficient number, since it is larger than the sum of its proper divisors (16084419910).

20102867930 is a wasteful number, since it uses less digits than its factorization.

20102867930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118093.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 20102867930 in words is "twenty billion, one hundred two million, eight hundred sixty-seven thousand, nine hundred thirty".