20276737140 has 72 divisors (see below), whose sum is σ = 62405451360. Its totient is φ = 4915570880.

The previous prime is 20276737127. The next prime is 20276737153. The reversal of 20276737140 is 4173767202.

It is an interprime number because it is at equal distance from previous prime (20276737127) and next prime (20276737153).

It is a super-2 number, since 2×20276737140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389210 + ... + 1403729.

It is an arithmetic number, because the mean of its divisors is an integer number (866742380).

Almost surely, 2^20276737140 is an apocalyptic number.

20276737140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20276737140 is an abundant number, since it is smaller than the sum of its proper divisors (42128714220).

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

20276737140 is a wasteful number, since it uses less digits than its factorization.

20276737140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792973 (or 2792960 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 20276737140 in words is "twenty billion, two hundred seventy-six million, seven hundred thirty-seven thousand, one hundred forty".