361081020 has 48 divisors (see below), whose sum is σ = 1070502048. Its totient is φ = 90624000.

The previous prime is 361080989. The next prime is 361081027. The reversal of 361081020 is 20180163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361081027) 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, 175981 + ... + 178020.

It is an arithmetic number, because the mean of its divisors is an integer number (22302126).

Almost surely, 2^361081020 is an apocalyptic number.

361081020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361081020 is an abundant number, since it is smaller than the sum of its proper divisors (709421028).

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

361081020 is a wasteful number, since it uses less digits than its factorization.

361081020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354030 (or 354028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 361081020 is about 19002.1319856483. The cubic root of 361081020 is about 712.0899998801.

It can be divided in two parts, 36108 and 1020, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 361081020 in words is "three hundred sixty-one million, eighty-one thousand, twenty".