61001702220 has 48 divisors (see below), whose sum is σ = 170860757760. Its totient is φ = 16261788096.

The previous prime is 61001702173. The next prime is 61001702221. The reversal of 61001702220 is 2220710016.

It is not an unprimeable number, because it can be changed into a prime (61001702221) 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, 19639 + ... + 349841.

It is an arithmetic number, because the mean of its divisors is an integer number (3559599120).

Almost surely, 2^61001702220 is an apocalyptic number.

61001702220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61001702220 is an abundant number, since it is smaller than the sum of its proper divisors (109859055540).

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

61001702220 is a wasteful number, since it uses less digits than its factorization.

61001702220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333294 (or 333292 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 61001702220 in words is "sixty-one billion, one million, seven hundred two thousand, two hundred twenty".