1019660552020 has 48 divisors (see below), whose sum is σ = 2380024176768. Its totient is φ = 363789695360.

The previous prime is 1019660552011. The next prime is 1019660552023. The reversal of 1019660552020 is 202550669101.

It is a super-2 number, since 2×1019660552020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019660552023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43713064 + ... + 43736383.

It is an arithmetic number, because the mean of its divisors is an integer number (49583837016).

Almost surely, 2^{1019660552020} is an apocalyptic number.

1019660552020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1019660552020 is an abundant number, since it is smaller than the sum of its proper divisors (1360363624748).

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

1019660552020 is a wasteful number, since it uses less digits than its factorization.

1019660552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87449520 (or 87449518 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1019660552020 in words is "one trillion, nineteen billion, six hundred sixty million, five hundred fifty-two thousand, twenty".