1020008372 has 12 divisors (see below), whose sum is σ = 1789381860. Its totient is φ = 508756416.

The previous prime is 1020008321. The next prime is 1020008401. The reversal of 1020008372 is 2738000201.

It can be written as a sum of positive squares in 2 ways, for example, as 629708836 + 390299536 = 25094^2 + 19756^2 .

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, 310103 + ... + 313374.

It is an arithmetic number, because the mean of its divisors is an integer number (149115155).

Almost surely, 2^1020008372 is an apocalyptic number.

It is an amenable number.

1020008372 is a deficient number, since it is larger than the sum of its proper divisors (769373488).

1020008372 is a wasteful number, since it uses less digits than its factorization.

1020008372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623890 (or 623888 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1020008372 is about 31937.5699138178. The cubic root of 1020008372 is about 1006.6254636197.

Adding to 1020008372 its reverse (2738000201), we get a palindrome (3758008573).

The spelling of 1020008372 in words is "one billion, twenty million, eight thousand, three hundred seventy-two".