1020015255632 has 20 divisors (see below), whose sum is σ = 1976440235220. Its totient is φ = 509966162688.

The previous prime is 1020015255619. The next prime is 1020015255659. The reversal of 1020015255632 is 2365525100201.

1020015255632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72671219776 + 947344035856 = 269576^2 + 973316^2 .

It is a super-2 number, since 2×1020015255632² (a number of 25 digits) contains 22 as substring.

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, 2388143 + ... + 2782670.

It is an arithmetic number, because the mean of its divisors is an integer number (98822011761).

Almost surely, 2^{1020015255632} is an apocalyptic number.

It is an amenable number.

1020015255632 is a deficient number, since it is larger than the sum of its proper divisors (956424979588).

1020015255632 is a wasteful number, since it uses less digits than its factorization.

1020015255632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183150 (or 5183144 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1020015255632 in words is "one trillion, twenty billion, fifteen million, two hundred fifty-five thousand, six hundred thirty-two".