15151672020 has 24 divisors (see below), whose sum is σ = 42424681824. Its totient is φ = 4040445856.

The previous prime is 15151672007. The next prime is 15151672061. The reversal of 15151672020 is 2027615151.

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 7 ways as a sum of consecutive naturals, for example, 126263874 + ... + 126263993.

It is an arithmetic number, because the mean of its divisors is an integer number (1767695076).

Almost surely, 2^15151672020 is an apocalyptic number.

15151672020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15151672020 is an abundant number, since it is smaller than the sum of its proper divisors (27273009804).

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

15151672020 is a wasteful number, since it uses less digits than its factorization.

15151672020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252527879 (or 252527877 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

It can be divided in two parts, 1515 and 1672020, that added together give a triangular number (1673535 = T₁₈₂₉).

The spelling of 15151672020 in words is "fifteen billion, one hundred fifty-one million, six hundred seventy-two thousand, twenty".