20264154142 has 16 divisors (see below), whose sum is σ = 31146444000. Its totient is φ = 9882146560.

The previous prime is 20264154137. The next prime is 20264154161. The reversal of 20264154142 is 24145146202.

It is a congruent 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, 271734 + ... + 338182.

It is an arithmetic number, because the mean of its divisors is an integer number (1946652750).

Almost surely, 2^20264154142 is an apocalyptic number.

20264154142 is a deficient number, since it is larger than the sum of its proper divisors (10882289858).

20264154142 is a wasteful number, since it uses less digits than its factorization.

20264154142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70211.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 20264154142 in words is "twenty billion, two hundred sixty-four million, one hundred fifty-four thousand, one hundred forty-two".