1630962020 has 24 divisors (see below), whose sum is σ = 3426267768. Its totient is φ = 652147200.

The previous prime is 1630961953. The next prime is 1630962043. The reversal of 1630962020 is 202690361.

It can be written as a sum of positive squares in 4 ways, for example, as 180418624 + 1450543396 = 13432^2 + 38086^2 .

It is a super-2 number, since 2×1630962020² = 5320074221364960800, which contains 22 as substring.

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, 47900 + ... + 74540.

It is an arithmetic number, because the mean of its divisors is an integer number (142761157).

Almost surely, 2^1630962020 is an apocalyptic number.

1630962020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630962020 is an abundant number, since it is smaller than the sum of its proper divisors (1795305748).

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

1630962020 is a wasteful number, since it uses less digits than its factorization.

1630962020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29711 (or 29709 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1630962020 is about 40385.1707932503. The cubic root of 1630962020 is about 1177.1034048575.

The spelling of 1630962020 in words is "one billion, six hundred thirty million, nine hundred sixty-two thousand, twenty".