20416774020 has 24 divisors (see below), whose sum is σ = 57166967424. Its totient is φ = 5444473056.

The previous prime is 20416774013. The next prime is 20416774031. The reversal of 20416774020 is 2047761402.

It is a super-2 number, since 2×20416774020² (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 7 ways as a sum of consecutive naturals, for example, 170139724 + ... + 170139843.

It is an arithmetic number, because the mean of its divisors is an integer number (2381956976).

Almost surely, 2^20416774020 is an apocalyptic number.

20416774020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20416774020 is an abundant number, since it is smaller than the sum of its proper divisors (36750193404).

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

20416774020 is a wasteful number, since it uses less digits than its factorization.

20416774020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340279579 (or 340279577 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 20416774020 in words is "twenty billion, four hundred sixteen million, seven hundred seventy-four thousand, twenty".