20542655162 has 8 divisors (see below), whose sum is σ = 31113147936. Its totient is φ = 10171605852.

The previous prime is 20542655149. The next prime is 20542655171. The reversal of 20542655162 is 26155624502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20542655162² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49860608 + ... + 49861019.

It is an arithmetic number, because the mean of its divisors is an integer number (3889143492).

Almost surely, 2^20542655162 is an apocalyptic number.

20542655162 is a deficient number, since it is larger than the sum of its proper divisors (10570492774).

20542655162 is a wasteful number, since it uses less digits than its factorization.

20542655162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99721732.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 20542655162 in words is "twenty billion, five hundred forty-two million, six hundred fifty-five thousand, one hundred sixty-two".