20486277916 has 48 divisors (see below), whose sum is σ = 38847513600. Its totient is φ = 9396902592.

The previous prime is 20486277901. The next prime is 20486277943. The reversal of 20486277916 is 61977268402.

It is a super-3 number, since 3×20486277916³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 7691601 + ... + 7694263.

It is an arithmetic number, because the mean of its divisors is an integer number (809323200).

Almost surely, 2^20486277916 is an apocalyptic number.

20486277916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20486277916 is a deficient number, since it is larger than the sum of its proper divisors (18361235684).

20486277916 is a wasteful number, since it uses less digits than its factorization.

20486277916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 20486277916 in words is "twenty billion, four hundred eighty-six million, two hundred seventy-seven thousand, nine hundred sixteen".