1914637020 has 24 divisors (see below), whose sum is σ = 5360983824. Its totient is φ = 510569856.

The previous prime is 1914637009. The next prime is 1914637057. The reversal of 1914637020 is 207364191.

It is a congruent number.

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, 15955249 + ... + 15955368.

It is an arithmetic number, because the mean of its divisors is an integer number (223374326).

Almost surely, 2^1914637020 is an apocalyptic number.

1914637020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1914637020 is an abundant number, since it is smaller than the sum of its proper divisors (3446346804).

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

1914637020 is a wasteful number, since it uses less digits than its factorization.

1914637020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31910629 (or 31910627 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1914637020 is about 43756.5654502270. The cubic root of 1914637020 is about 1241.7346992337.

The spelling of 1914637020 in words is "one billion, nine hundred fourteen million, six hundred thirty-seven thousand, twenty".