20054417388 has 48 divisors (see below), whose sum is σ = 49744208640. Its totient is φ = 6270264000.

The previous prime is 20054417333. The next prime is 20054417491. The reversal of 20054417388 is 88371445002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412408 + ... + 458463.

It is an arithmetic number, because the mean of its divisors is an integer number (1036337680).

Almost surely, 2^20054417388 is an apocalyptic number.

It is an amenable number.

20054417388 is an abundant number, since it is smaller than the sum of its proper divisors (29689791252).

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

20054417388 is a wasteful number, since it uses less digits than its factorization.

20054417388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870998 (or 870996 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 20054417388 in words is "twenty billion, fifty-four million, four hundred seventeen thousand, three hundred eighty-eight".