103157820 has 48 divisors (see below), whose sum is σ = 320937120. Its totient is φ = 27508608.

The previous prime is 103157807. The next prime is 103157827. The reversal of 103157820 is 28751301.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103157827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94977 + ... + 96056.

It is an arithmetic number, because the mean of its divisors is an integer number (6686190).

Almost surely, 2^103157820 is an apocalyptic number.

103157820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103157820 is an abundant number, since it is smaller than the sum of its proper divisors (217779300).

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

103157820 is a wasteful number, since it uses less digits than its factorization.

103157820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191051 (or 191043 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 103157820 is about 10156.6638223385. The cubic root of 103157820 is about 468.9941064569.

The spelling of 103157820 in words is "one hundred three million, one hundred fifty-seven thousand, eight hundred twenty".