20013141970 has 32 divisors (see below), whose sum is σ = 36492130368. Its totient is φ = 7901694528.

The previous prime is 20013141923. The next prime is 20013141971. The reversal of 20013141970 is 7914131002.

It is a super-2 number, since 2×20013141970² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013141971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262629 + ... + 330151.

It is an arithmetic number, because the mean of its divisors is an integer number (1140379074).

Almost surely, 2^20013141970 is an apocalyptic number.

20013141970 is a deficient number, since it is larger than the sum of its proper divisors (16478988398).

20013141970 is a wasteful number, since it uses less digits than its factorization.

20013141970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67914.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 20013141970 its reverse (7914131002), we get a palindrome (27927272972).

The spelling of 20013141970 in words is "twenty billion, thirteen million, one hundred forty-one thousand, nine hundred seventy".