20606108157444 has 24 divisors (see below), whose sum is σ = 48132674624160. Its totient is φ = 6861309063424.

The previous prime is 20606108157431. The next prime is 20606108157451. The reversal of 20606108157444 is 44475180160602.

It is a super-2 number, since 2×20606108157444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20606108157393 and 20606108157402.

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, 924195354 + ... + 924217649.

It is an arithmetic number, because the mean of its divisors is an integer number (2005528109340).

Almost surely, 2^{20606108157444} is an apocalyptic number.

It is an amenable number.

20606108157444 is an abundant number, since it is smaller than the sum of its proper divisors (27526566466716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20606108157444 is a wasteful number, since it uses less digits than its factorization.

20606108157444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848413939 (or 1848413937 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 20606108157444 in words is "twenty trillion, six hundred six billion, one hundred eight million, one hundred fifty-seven thousand, four hundred forty-four".