20002102970 has 32 divisors (see below), whose sum is σ = 37296398160. Its totient is φ = 7717980160.

The previous prime is 20002102969. The next prime is 20002103027. The reversal of 20002102970 is 7920120002.

It can be written as a sum of positive squares in 8 ways, for example, as 2772127801 + 17229975169 = 52651^2 + 131263^2 .

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, 237587 + ... + 310566.

Almost surely, 2^20002102970 is an apocalyptic number.

20002102970 is a deficient number, since it is larger than the sum of its proper divisors (17294295190).

20002102970 is a wasteful number, since it uses less digits than its factorization.

20002102970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548290.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 20002102970 its reverse (7920120002), we get a palindrome (27922222972).

The spelling of 20002102970 in words is "twenty billion, two million, one hundred two thousand, nine hundred seventy".