20250220860 has 48 divisors (see below), whose sum is σ = 63000688800. Its totient is φ = 5400058752.

The previous prime is 20250220841. The next prime is 20250220889. The reversal of 20250220860 is 6802205202.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 18749665 + ... + 18750744.

It is an arithmetic number, because the mean of its divisors is an integer number (1312514350).

Almost surely, 2^20250220860 is an apocalyptic number.

20250220860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20250220860 is an abundant number, since it is smaller than the sum of its proper divisors (42750467940).

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

20250220860 is a wasteful number, since it uses less digits than its factorization.

20250220860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37500427 (or 37500419 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 20250220860 in words is "twenty billion, two hundred fifty million, two hundred twenty thousand, eight hundred sixty".