1955320070 has 96 divisors (see below), whose sum is σ = 4048349760. Its totient is φ = 678585600.

The previous prime is 1955320069. The next prime is 1955320079. The reversal of 1955320070 is 700235591.

It is a super-2 number, since 2×1955320070² = 7646553152289609800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955320079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3614000 + ... + 3614540.

It is an arithmetic number, because the mean of its divisors is an integer number (42170310).

Almost surely, 2^1955320070 is an apocalyptic number.

1955320070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1955320070 is an abundant number, since it is smaller than the sum of its proper divisors (2093029690).

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

1955320070 is a wasteful number, since it uses less digits than its factorization.

1955320070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1955320070 is about 44219.0012325018. The cubic root of 1955320070 is about 1250.4681062793.

The spelling of 1955320070 in words is "one billion, nine hundred fifty-five million, three hundred twenty thousand, seventy".