1020153223100 has 72 divisors (see below), whose sum is σ = 2542085212800. Its totient is φ = 351440337600.

The previous prime is 1020153223087. The next prime is 1020153223127. The reversal of 1020153223100 is 13223510201.

It is a super-2 number, since 2×1020153223100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24384680 + ... + 24426479.

Almost surely, 2^{1020153223100} is an apocalyptic number.

1020153223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020153223100 is an abundant number, since it is smaller than the sum of its proper divisors (1521931989700).

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

1020153223100 is a wasteful number, since it uses less digits than its factorization.

1020153223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48811203 (or 48811196 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1020153223100 its reverse (13223510201), we get a palindrome (1033376733301).

The spelling of 1020153223100 in words is "one trillion, twenty billion, one hundred fifty-three million, two hundred twenty-three thousand, one hundred".