20013542210 has 16 divisors (see below), whose sum is σ = 36026148600. Its totient is φ = 8005022976.

The previous prime is 20013542189. The next prime is 20013542231. The reversal of 20013542210 is 1224531002.

It is an interprime number because it is at equal distance from previous prime (20013542189) and next prime (20013542231).

It can be written as a sum of positive squares in 4 ways, for example, as 19874514529 + 139027681 = 140977^2 + 11791^2 .

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, 251786 + ... + 321594.

Almost surely, 2^20013542210 is an apocalyptic number.

20013542210 is a deficient number, since it is larger than the sum of its proper divisors (16012606390).

20013542210 is a wasteful number, since it uses less digits than its factorization.

20013542210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98485.

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 20013542210 in words is "twenty billion, thirteen million, five hundred forty-two thousand, two hundred ten".