20477314252 has 12 divisors (see below), whose sum is σ = 36370155640. Its totient is φ = 10085841216.

The previous prime is 20477314243. The next prime is 20477314261. The reversal of 20477314252 is 25241377402.

It is an interprime number because it is at equal distance from previous prime (20477314243) and next prime (20477314261).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38203677 + ... + 38204212.

Almost surely, 2^20477314252 is an apocalyptic number.

It is an amenable number.

20477314252 is a deficient number, since it is larger than the sum of its proper divisors (15892841388).

20477314252 is a wasteful number, since it uses less digits than its factorization.

20477314252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76407960 (or 76407958 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 20477314252 in words is "twenty billion, four hundred seventy-seven million, three hundred fourteen thousand, two hundred fifty-two".