20077466742408 has 32 divisors (see below), whose sum is σ = 50193911678400. Its totient is φ = 6692456271168.

The previous prime is 20077466742383. The next prime is 20077466742427. The reversal of 20077466742408 is 80424766477002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264285 + ... + 7128147.

It is an arithmetic number, because the mean of its divisors is an integer number (1568559739950).

Almost surely, 2^{20077466742408} is an apocalyptic number.

It is an amenable number.

20077466742408 is an abundant number, since it is smaller than the sum of its proper divisors (30116444935992).

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

20077466742408 is a wasteful number, since it uses less digits than its factorization.

20077466742408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080381 (or 4080377 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 57.

The spelling of 20077466742408 in words is "twenty trillion, seventy-seven billion, four hundred sixty-six million, seven hundred forty-two thousand, four hundred eight".