20272611900 has 72 divisors (see below), whose sum is σ = 59617041904. Its totient is φ = 5317401600.

The previous prime is 20272611871. The next prime is 20272611929. The reversal of 20272611900 is 911627202.

It is an interprime number because it is at equal distance from previous prime (20272611871) and next prime (20272611929).

It is a super-2 number, since 2×20272611900² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535597 + ... + 572196.

Almost surely, 2^20272611900 is an apocalyptic number.

20272611900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20272611900 is an abundant number, since it is smaller than the sum of its proper divisors (39344430004).

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

20272611900 is a wasteful number, since it uses less digits than its factorization.

20272611900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107871 (or 1107864 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 20272611900 in words is "twenty billion, two hundred seventy-two million, six hundred eleven thousand, nine hundred".