1955702620 has 12 divisors (see below), whose sum is σ = 4106975544. Its totient is φ = 782281040.

The previous prime is 1955702603. The next prime is 1955702633. The reversal of 1955702620 is 262075591.

It is a self number, because there is not a number n which added to its sum of digits gives 1955702620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48892546 + ... + 48892585.

It is an arithmetic number, because the mean of its divisors is an integer number (342247962).

Almost surely, 2^1955702620 is an apocalyptic number.

1955702620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1955702620 is an abundant number, since it is smaller than the sum of its proper divisors (2151272924).

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

1955702620 is a wasteful number, since it uses less digits than its factorization.

1955702620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97785140 (or 97785138 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1955702620 is about 44223.3266500837. The cubic root of 1955702620 is about 1250.5496505387.

The spelling of 1955702620 in words is "one billion, nine hundred fifty-five million, seven hundred two thousand, six hundred twenty".